OpenTechnical

OT-2026-000086146

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086146) never changes.

Identity and time

Publication numberOT-2026-000086146 · never reused
Internal UUID01a0ae99-e82c-7102-a19a-98531269e2d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086146
StatusPUBLIC

Content hashes

Canonical text09e1bf28f13e105d215084dd323bc4acb5a931501339b3c2057b4713af02323b
Markdownb60954e3a4953f242895b7d70e12feb9b2fe4e30d81724878fe85be57a0a14be
PDF
Publication paged77caf18c0b16ea28a9c2b9539346c381f5b328d9c8405a9bb35712a80e84b2a
Manifest79cbfc7d40e8a3d64a0b10fefd0315280e45980f3aed1a1230eca8a5cfdc331e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureETDt+24qG8gSb2xciPZtJ5tHjc180fUpobsP5ukd+Y6WLzvinSVnhV3EFbOnRpBCin4758BLKvcZZ4xQD5sQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:48.787286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086146
observed d77caf18c0b16ea28a9c2b9539346c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.770867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086146/manifest.json
observed 79cbfc7d40e8a3d64a0b10fefd031528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.753262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086146/publication.md
observed b60954e3a4953f242895b7d70e12feb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.736108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086146/publication.txt
observed 09e1bf28f13e105d215084dd323bc4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.